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. 2024 Dec 4;114(1):5.
doi: 10.1007/s00128-024-03982-y.

Transport Efficiency of Indoxacarb in Different Types of Soils Through Packed Columns

Paramasivam Mariappan  1 , Sakthiselvi Tamilarasan  2
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Transport Efficiency of Indoxacarb in Different Types of Soils Through Packed Columns

Paramasivam Mariappan et al. Bull Environ Contam Toxicol. .

Abstract

The pesticide transportation to deeper soil layers can result in groundwater contamination and, consequently, environmental issues. In this research, our objective was to investigate transport efficiency of indoxacaarb using three different soils to understand the leaching potential. The leaching experiments were performed using a 0.01 M calcium chloride solution over five consecutive days. Leachates (water) and soil samples were collected and the residues of indoxacarb were analyzed using gas chromatography mass spectrometry. The method's accuracy was validated by conducting recovery experiments at levels ranging from 0.01 to 0.1 µg/g. The results showed that 82.67 to 84.00%, 80.67 to 82.70% and 76.68 to 78.70% of the indoxacarb applied was retained in the topsoil layer (0-10 cm) for acid, alkali and neutral soil, respectively. Its low leaching behavior, as evidenced by its retention in the topsoil layer and absence in the leachate, contributes to its limited mobility within the soil profile. The study suggests that indoxacarb has no potential for contaminating groundwater and the soil environment through leaching processes.

Keywords: GC-MS; Indoxacarb; Leachates; Leaching; Soil; Soil column.

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Conflict of interest statement

Declarations. Disclosure Statement: No potential conflict of interest was reported by the author(s). Competing Interests: The authors have no relevant financial or non-financial interests to disclose.

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